Double barrel pistol



FIG. 1 is a front, right side, and top perspective view of a double barrel pistol showing the new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a top plan thereof;

FIG. 7 is a bottom plan thereof; and,

FIG. 8 is a rear, left side, and top perspective view thereof.

The broken lines are used for the purpose of illustrating unclaimed portions of the double barrel pistol and form no part of the claimed design. 

CLAIM The ornamental design for a double barrel pistol, as shown and described. 